Duality relations for Potts correlation functions - Comment

被引：6
|
作者：
Jacobsen, JL
机构：
[1] UNIV OXFORD SOMERVILLE COLL,OXFORD OX1 3NP,ENGLAND
[2] UNIV OXFORD,DEPT THEORET PHYS,OXFORD OX1 3NP,ENGLAND
来源：
PHYSICS LETTERS A | 1997年 / 233卷 / 4-6期
关键词：
D O I：
10.1016/S0375-9601(97)00583-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In a recent paper by Wu [Phys. Lett. A 228 (1997) 43] the three-point correlation of the q-state Potts model on a planar graph was related to ratios of dual partition functions under fixed boundary conditions. It was claimed that the method employed could straightforwardly be applied to higher correlations as well; this is however not true. By explicitly considering the four-point correlation we demonstrate how the appearance of non-well-nested connectivities invalidates the method. (C) 1997 Published by Elsevier Science B.V.
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收藏
页码：489 / 492
页数：4
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